Consider the following statements :
1. The gross revenue from the telecom sector in India accounts for 3% of the GDP (2009).
2. Centre for Development of Telematics is better known as C-DOT.
3. The switch from digital technology to the analog system revolutionized telephony in India.
Which of the statements given above is/are correct?

Options

A. 1 only
B. 2 only
C. 1 and 2
D. 2 and 3